ATE310071T1 - Verfahren zur reinigung von oberflächen - Google Patents

Verfahren zur reinigung von oberflächen

Info

Publication number
ATE310071T1
ATE310071T1 AT98904031T AT98904031T ATE310071T1 AT E310071 T1 ATE310071 T1 AT E310071T1 AT 98904031 T AT98904031 T AT 98904031T AT 98904031 T AT98904031 T AT 98904031T AT E310071 T1 ATE310071 T1 AT E310071T1
Authority
AT
Austria
Prior art keywords
cleaning surfaces
acid
soilings
textiles
detaching
Prior art date
Application number
AT98904031T
Other languages
German (de)
English (en)
Inventor
Andreas Groeschl
Torsten Groth
Volker Hassmann
Juergen Horn
Ingo Janisch
Winfried Joentgen
Bernhard Lehmann
Wolfgang Zarges
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of ATE310071T1 publication Critical patent/ATE310071T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02Membrane cleaning or sterilisation ; Membrane regeneration
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/32Organic compounds containing nitrogen
    • C11D7/3209Amines or imines with one to four nitrogen atoms; Quaternized amines
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/26Organic compounds containing nitrogen
    • C11D3/33Amino carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/37Polymers
    • C11D3/3703Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719Polyamides or polyimides
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/32Organic compounds containing nitrogen
    • C11D7/3245Aminoacids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22Organic compounds
    • C11D7/34Organic compounds containing sulfur
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/50Solvents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/162Use of acids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/164Use of bases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/166Use of enzymatic agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2321/00Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16Use of chemical agents
    • B01D2321/168Use of other chemical agents
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10Objects to be cleaned
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10Objects to be cleaned
    • C11D2111/14Hard surfaces
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10Objects to be cleaned
    • C11D2111/14Hard surfaces
    • C11D2111/18Glass; Plastics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cleaning By Liquid Or Steam (AREA)
AT98904031T 1997-01-09 1998-01-03 Verfahren zur reinigung von oberflächen ATE310071T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19700493A DE19700493A1 (de) 1997-01-09 1997-01-09 Verfahren zur Reinigung von Oberflächen
PCT/EP1998/000016 WO1998030661A1 (de) 1997-01-09 1998-01-03 Verfahren zur reinigung von oberflächen

Publications (1)

Publication Number Publication Date
ATE310071T1 true ATE310071T1 (de) 2005-12-15

Family

ID=7817029

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98904031T ATE310071T1 (de) 1997-01-09 1998-01-03 Verfahren zur reinigung von oberflächen

Country Status (11)

Country Link
US (1) US6387189B1 (https=)
EP (1) EP0970167B1 (https=)
JP (1) JP2001507750A (https=)
KR (1) KR100494284B1 (https=)
AT (1) ATE310071T1 (https=)
AU (1) AU724604B2 (https=)
BR (1) BR9806156A (https=)
CA (1) CA2269988A1 (https=)
DE (2) DE19700493A1 (https=)
IL (1) IL129509A (https=)
WO (1) WO1998030661A1 (https=)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU721064B2 (en) 1996-12-20 2000-06-22 Evoqua Water Technologies Llc Scouring method
US20040052826A1 (en) * 2000-09-11 2004-03-18 Elena Fernandez-Kleinlein Cosmetic and pharmaceutical compositions and their use
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US6546940B1 (en) * 2001-09-10 2003-04-15 Johnsondiversey, Inc. Cleaning composition and method for using the same
JP2003136027A (ja) * 2001-11-01 2003-05-13 Ngk Insulators Ltd 半導体製造装置中で使用するためのセラミック部材を洗浄する方法、洗浄剤および洗浄剤の組み合わせ
DE60213184T2 (de) * 2001-11-16 2007-06-28 U.S. Filter Wastewater Group, Inc. Methode zur Reinigung von Membranen
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
DE10221982A1 (de) * 2002-05-17 2003-11-27 Goldschmidt Ag Th Wässrige Desinfektionsmittel auf Basis von Alkylaminverbindungen und Aminopolycarbonsäuren
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
US7938966B2 (en) 2002-10-10 2011-05-10 Siemens Water Technologies Corp. Backwash method
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
US7250114B2 (en) * 2003-05-30 2007-07-31 Lam Research Corporation Methods of finishing quartz glass surfaces and components made by the methods
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US7247210B2 (en) * 2004-02-23 2007-07-24 Ecolab Inc. Methods for treating CIP equipment and equipment for treating CIP equipment
US7220358B2 (en) * 2004-02-23 2007-05-22 Ecolab Inc. Methods for treating membranes and separation facilities and membrane treatment composition
US7392811B2 (en) * 2004-02-23 2008-07-01 Ecolab Inc. Delivery head for multiple phase treatment composition, vessel including a delivery head, and method for treating a vessel interior surface
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
AU2005240524C1 (en) 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
JP4958779B2 (ja) 2004-08-20 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレイション 正方形のmbrマニホールド・システム
WO2006026814A1 (en) 2004-09-07 2006-03-16 Siemens Water Technologies Corp. Reduction of backwash liquid waste
JP4896025B2 (ja) 2004-09-14 2012-03-14 シーメンス・ウォーター・テクノロジーズ・コーポレイション 膜モジュールから固形分を除去するための方法および装置
JP4954880B2 (ja) 2004-09-15 2012-06-20 シーメンス・ウォーター・テクノロジーズ・コーポレーション 連続的に変化する通気
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
KR101142601B1 (ko) * 2004-11-03 2012-05-03 디버세이, 인크 재활용을 위한 용기 세정 방법
DE102004053015A1 (de) * 2004-11-03 2006-05-04 Lanxess Deutschland Gmbh Rußreiniger
EP1838422A4 (en) 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
WO2006066319A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
CN101184548B (zh) 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
JP2009504399A (ja) 2005-08-22 2009-02-05 シーメンス・ウォーター・テクノロジーズ・コーポレーション 管状マニホールドを使用して逆洗を最小化する水濾過のためのアセンブリ
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044345A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
WO2008123972A1 (en) 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
AU2008263139B2 (en) 2007-05-29 2011-08-25 Evoqua Water Technologies Llc Membrane cleaning with pulsed airlift pump
DE102008010750B4 (de) 2008-02-21 2010-02-18 Engel Oberflächentechnik GmbH Anordnung und Verfahren zur Reinigung von Solarkollektoren
JP2013500144A (ja) 2008-07-24 2013-01-07 シーメンス インダストリー インコーポレイテッド 濾過システムにおける濾過膜モジュールアレイに対して構造的支持を施すための方法および濾過システム
NZ591259A (en) 2008-08-20 2013-02-22 Siemens Industry Inc A hollow membrane filter backwash system using gas pressurised at at least two pressures feed from the down stream side to push water through the filter to clean it
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
ES2738898T3 (es) 2010-04-30 2020-01-27 Evoqua Water Tech Llc Dispositivo de distribución de flujo de fluido
AU2011305377B2 (en) 2010-09-24 2014-11-20 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
CA2850309C (en) 2011-09-30 2020-01-07 Evoqua Water Technologies Llc Improved manifold arrangement
CN103958034B (zh) 2011-09-30 2017-03-22 伊沃夸水处理技术有限责任公司 隔离阀
US9533261B2 (en) 2012-06-28 2017-01-03 Evoqua Water Technologies Llc Potting method
AU2013231145B2 (en) 2012-09-26 2017-08-17 Evoqua Water Technologies Llc Membrane potting methods
CN104684631A (zh) 2012-09-26 2015-06-03 伊沃夸水处理技术有限责任公司 膜固定设备
EP2900356A1 (en) 2012-09-27 2015-08-05 Evoqua Water Technologies LLC Gas scouring apparatus for immersed membranes
DE102012218021A1 (de) * 2012-10-02 2014-04-03 Henkel Ag & Co. Kgaa Leistungsgesteigerte Wasch- oder Reinigungsmittel mit Komplexbildnern II
DE102012218019A1 (de) 2012-10-02 2014-04-03 Henkel Ag & Co. Kgaa Leistungsgesteigerte Wasch- oder Reinigungsmittel mit Komplexbildnern I
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
JP6090362B2 (ja) * 2015-05-20 2017-03-08 栗田工業株式会社 ポリアミド系逆浸透膜の洗浄液、および洗浄方法
WO2017011068A1 (en) 2015-07-14 2017-01-19 Evoqua Water Technologies Llc Aeration device for filtration system
JP6090377B2 (ja) * 2015-07-27 2017-03-08 栗田工業株式会社 水処理用ポリアミド系逆浸透膜用洗浄剤、洗浄液、および洗浄方法
JP6090376B2 (ja) * 2015-07-27 2017-03-08 栗田工業株式会社 水処理用ポリアミド系逆浸透膜用洗浄剤、洗浄液、および洗浄方法
US11028344B2 (en) 2016-08-16 2021-06-08 Diversey, Inc. Composition for aesthetic improvement of food and beverage containers and methods thereof
JP7074845B2 (ja) 2017-09-29 2022-05-24 エコラボ ユーエスエー インコーポレイティド プロセス膜洗浄における延長界面活性剤の使用
US11738310B2 (en) * 2019-12-31 2023-08-29 Industrial Technology Research Institute Method for cleaning membrane

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306331A (https=) 1970-12-07 1973-02-07
SU639863A1 (ru) 1977-06-16 1978-12-30 Калининский Ордена Трудового Красного Знамени Политехнический Институт Калининский Сельско-Хозяйственный Институт Способ получени комплексона-иминоди нтарной кислоты
DE3626672A1 (de) 1986-08-07 1988-02-11 Bayer Ag Polyasparaginamidsaeure
EP0261874A3 (en) * 1986-09-22 1989-01-25 The Procter & Gamble Company Concentrated hard-surface cleaning compositions
US4808328A (en) * 1987-05-08 1989-02-28 Joseph N. Cooper Iodine-based antiseptic cleanser composition
DE3739610A1 (de) 1987-11-23 1989-06-01 Basf Ag Nitrilo-di-aepfel-mono-essigsaeuren, verfahren zu ihrer herstellung und ihre verwendung
DE4024552A1 (de) * 1990-08-02 1992-02-06 Henkel Kgaa Derivat der aminobernsteinsaeure als komplexierungsmittel
DK0513948T3 (da) * 1991-05-15 1998-10-26 Hampshire Chemical Corp Sammensætninger indeholdende biologisk nedbrydelige chelateringsmidler til rensning af hårde overflader
EP0561464A1 (en) * 1992-03-20 1993-09-22 Unilever N.V. Polyaminoacids as builder for rinse aid compositions
US5288783A (en) 1992-05-14 1994-02-22 Srchem Incorporated Preparation of salt of polyaspartic acid by high temperature reaction
JPH06330020A (ja) 1993-05-20 1994-11-29 Nippon Shokubai Co Ltd キレート性組成物及びその製法並びに洗剤組成物
JP3326867B2 (ja) 1993-05-24 2002-09-24 株式会社日本触媒 イミノジコハク酸金属塩の製造方法
DE4322410A1 (de) 1993-07-06 1995-01-12 Bayer Ag Verfahren zur Herstellung von Polysuccinimid und Polyasparaginsäure
WO1995016767A1 (en) 1993-12-14 1995-06-22 The Procter & Gamble Company Liquid laundry detergents containing polyamino acid and polyalkylene glycol
DE19528059A1 (de) * 1995-07-31 1997-02-06 Bayer Ag Wasch- und Reinigungsmittel mit Iminodisuccinaten
US5703033A (en) * 1996-02-06 1997-12-30 The Procter & Gamble Company Low sudsing, low streaking and filming hard surface cleaners

Also Published As

Publication number Publication date
DE19700493A1 (de) 1998-07-16
US6387189B1 (en) 2002-05-14
KR100494284B1 (ko) 2005-06-13
DE59813197D1 (de) 2005-12-22
KR20000068729A (ko) 2000-11-25
WO1998030661A1 (de) 1998-07-16
AU6207098A (en) 1998-08-03
AU724604B2 (en) 2000-09-28
IL129509A0 (en) 2000-02-29
JP2001507750A (ja) 2001-06-12
IL129509A (en) 2003-02-12
EP0970167B1 (de) 2005-11-16
EP0970167A1 (de) 2000-01-12
BR9806156A (pt) 1999-10-19
CA2269988A1 (en) 1998-07-16

Similar Documents

Publication Publication Date Title
DE59813197D1 (de) Verfahren zur reinigung von oberflächen
EP0641246A4 (en) Concentration of solids in a suspension using hollow fibre membranes.
AR245772A1 (es) Metodo para la remocion de microorganismos con endoglucosidasa tipo ii
SE9504046D0 (sv) Method of determining affinity and kinetic properties
DE69629216D1 (de) Neues reinigungsverfahren unter verwendung von kohlendioxid als lösungsmittel und anwendung von molekular vorbearbeiteten tensiden
DE3280150D1 (de) Mikroorganismen fuer den mikrobiellen abbau von schaedlichen organischen abfallstoffen in unschaedliche materialien.
CY1106984T1 (el) Νεα βιοσυγκολλητικη συνθεση που περιεχει μια βιοσυγκολλητικη πολυφαινολικη πρωτεϊνη, ενα πολυμερες που περιεχει ομαδες υδατανθρακα, φαρμακευτικως αποδεκτα λεπτα νηματα και οι χρησεις τους
ATE304597T1 (de) Neue beta-glucanase aus bacillus
DE60115545D1 (de) Verfahren und Vorrichtung zur Neustartung von Geräten eines lokalen Netz
EA199900942A1 (ru) Дисперсии арамидных волокон и арамидное бумажное полотно
DE69824006D1 (de) Vorrichtungen zur sicherung von dokumenten oder nachrichten unter verwendung einer numerischen hash-funktion
BR9800515A (pt) Processo para a preparação de um sistema catalisador de metaloceno
BR9801794A (pt) Sistema para a deslignificação eletroquímica de materiais contendo lignina bem como processo para a sua aplicação
DE60121441D1 (de) Verfahren und anlage zur verwertung von abfällen
DE60017263D1 (de) Verfahren zur reinigung von wasser, dafür geeignete bakterien und deren verwendung
DE68905537D1 (de) Verfahren zur ausweitung von cellulasen in reinigungsmitteln.
DE59911291D1 (de) Verfahren zur enzymatischen spaltung von rutinosiden
ES557135A0 (es) Un procedimiento para la preparacion de un reactivo para un ensayo de polarizacion de la fluorescencia para determinar una hidrolasa macromolecular
DK1082291T3 (da) Kemisk proces til stereoselektiv syntese af R-(-)-carnitin
DE60020107D1 (de) Chemische Oberflächenmodifizierung von Naturfasern
DK0615188T3 (da) Fremgangsmåde til kontrol af korrekt udførelse af et multi-task regneprogram
PT1137715E (pt) Materiais corantes diazo reactivos em fibras
DE69405777D1 (de) Verfahren zur zerstörenden wäsche von methylchloridgas
ATE177069T1 (de) Microbiologischer abbau von alkylenen aminoessigsäuren
DE69601877D1 (de) Verfahren zur entsorgung von problemabfaellen, organischen oder chemischen abfaellen und anlage zur durchfuehrung des verfahrens

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee